Persevere - in all ways. Keep writing even if you've been rejected. Redraft your work and redraft it again. Listen to your instincts and don't be afraid to change something about a draft. It might mean extra work, but it'll be worth it if it's something you really feel needs changing. Try not to let distractions (usually of the internet variety) pull you away from the writing. Be brave and bold. Believe in yourself and your ideas.